KR100860049B1 - Tire Univerasal testing apparatus - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire universal testing apparatus capable of testing a vertical displacement and a load of a tire, a lateral displacement and a load, a longitudinal displacement and a load, a rotational displacement angle and a torque with one device. A frame including vertical supports configured to be vertically provided to protrude upwards on both sides of the frame; It is provided between the upper of the two vertical stand, both brackets provided on the two vertical stand and provided with a horizontal rotating shaft, both sides of the tire mounting shaft fixed to the both horizontal rotating shaft through the fixing portion and provided with a tire, and A tire fixing part provided on an outer side of one of the brackets, the tire fixing part including a split rotating part configured to split and rotate a horizontal rotating shaft; A driving test for moving or rotating the test plate mounted on an upper portion of the horizontal plate and a vertical plate provided at the center of the base, a horizontal plate connected to a rod of the vertical cylinder, and elevating through a plurality of vertical guides; A tire test part including a part; And control means for controlling the tire fixing part and the tire test part and analyzing and outputting the data measured in the test process.

Tire, Tester, Split Rotator

Description

Tire universal testing apparatus

1 shows a tire testing apparatus of the present invention,

       1A is a cross-sectional configuration diagram,

       1B is an enlarged cross-sectional view taken along the line A-A of FIG. 1A.

Figure 2 is an enlarged view of the tire test unit according to the present invention,

       2A is an enlarged configuration diagram,

       FIG. 2B is a cross-sectional view taken along the line B-B in FIG. 2A

       FIG. 2C is a schematic enlarged cross-sectional view taken along line C-C of FIG. 2A.

3 is an enlarged view of the tire fixing part according to the present invention;

       3A is an enlarged configuration diagram,

       FIG. 3B is an enlarged view of the portion E in FIG. 3A.

Figure 4 is a cross-sectional view taken along the line F-F of Figure 1a showing the lifting portion constituting the tire fixing portion according to the present invention.

5 shows each test process through the tire test apparatus according to the present invention,

       5A is a state in which the vertical displacement and the load are tested;

       5b is a state in which the lateral displacement and load are tested;

       5C is a state in which longitudinal displacement and load are tested;

       5D shows a state in which the rotational displacement angle and the torque are tested.

* Explanation of symbols for the main parts of the drawings *

1: frame

    11: base

    12: vertical support means

         121: vertical stand

2: tire fixing part

    21: bracket

    22: horizontal rotation axis

    23: elevator

         231: rotating screw shaft, 232: guide rail

    24: tire mounting shaft

         241: spiral shaft, 242: fastening fixture

    25: fixing means

         251: angle bar, 252: angle groove, 253: fastening bracket

    26: split rotation part

261: ratchet gear portion, 262: link operation portion, 262a: protruding link,
262b: cylinder

3: tire test section

    31: vertical cylinder

    32: horizontal plate

    33: vertical guide part

         331: ball bush, 332: ball bush shaft

    34: driving test part

341: center axis of rotation, 342: rotating plate,
343: each rotating means, 343a: link, 343b: rotating horizontal cylinder,
344: horizontal moving means, 344a: horizontal cylinder, 344b: guide part,
344c: Horizontal rail, 344d: Moving bracket

    35: trial

    36: thrust bearing

The present invention relates to a tire universal testing apparatus, and more specifically, it is possible to test a vertical displacement and a load, a lateral displacement and a load, a longitudinal displacement and a load, a rotational displacement angle and a torque of a tire in one device. It relates to a tire universal testing apparatus.

In general, when testing tire characteristics and defects, the tires are analyzed by comprehensively analyzing the top and bottom sides of the tire, the load against the longitudinal displacement, the displacement against the load, and the displacement angle against the rotational torque and the torque against the displacement angle. It is to determine the characteristics and defects of.

Accordingly, in the tire test apparatus used in the related art, a device that is separately separated from each other in order to measure the respective displacements and loads described above is used.

That is, the device for measuring the vertical displacement and load of the tire is a device configured to test the vertical displacement and load of the tire while pressing the tire in the vertical direction on the upper surface of the test plate.

And the device for measuring the displacement and load of the side of the tire is a device configured to test the side displacement and load of the tire by moving the test plate to the side in a state in which the circumference of the tire and the test plate in close contact with each other.

In addition, the device for measuring the longitudinal displacement and load of the tire is a device configured to test the longitudinal displacement and load of the tire by moving the test plate forward and backward in a state in which the circumference of the tire and the test plate in close contact with each other.

In addition, the apparatus for testing the displacement angle and torque in the rotation direction of the tire is a device configured to test the displacement angle and torque in the tire rotation direction by rotating the test plate in a state in which the circumference of the tire and the test plate in close contact with each other.

Therefore, when performing the test of the tire using the devices configured as described above, there was a problem that the test time and manpower is excessively increased by carrying out the inspection while moving and mounting one tire to each device.

Accordingly, the present invention has been invented to solve the conventional problems as described above, and the displacement angle and torque with respect to the top and bottom, side, longitudinal displacement and load and rotation direction of the tire without separating the tire through one device The aim is to provide a universal testing machine for tires that can be comprehensively tested.

In addition, there is another purpose to be in close contact with the circumference of the tire through the rise to prevent the inclination of the test plate in advance when testing the vertical displacement and load of the tire.

Another object is to prevent the inclination of the test plate in advance when the side plate, the longitudinal displacement and the load are tested for the displacement angle and torque with respect to the rotation direction through the movement and rotation of the test plate.

There is also another purpose to enable the compatibility of different tires of different widths and diameters.

Another object is to make it easier to divide the tire circumference when testing the displacement angle and torque in the rotational direction of the tire.

The present invention for achieving the above object is a frame including a vertical support consisting of a base and both vertically provided to protrude upwards on both sides of the base; It is provided between the upper of the two vertical stand, both brackets provided on the two vertical stand and provided with a horizontal rotating shaft, both sides of the tire mounting shaft fixed to the both horizontal rotating shaft through the fixing portion and provided with a tire, and A tire fixing part provided on an outer side of one of the brackets, the tire fixing part including a split rotating part configured to split and rotate a horizontal rotating shaft; A driving test for moving or rotating the test plate mounted on an upper portion of the horizontal plate and a vertical plate provided at the center of the base, a horizontal plate connected to a rod of the vertical cylinder, and elevating through a plurality of vertical guides; A tire test part including a part; And control means for controlling the tire fixing part and the tire test part, and analyzing and outputting the data measured in the test process.
The vertical guide part may include a plurality of guide tubes provided at both front and rear sides of the base, and guide shafts respectively penetrating through the plurality of guide tubes and having an upper portion fixed to both front and rear sides of the base. It is done.
The vertical guide portion includes a plurality of ball bushes provided on both sides of the base and having a vertical through hole through which the ball is moved, and a plurality of ball bushes respectively penetrated through the plurality of ball bushes, respectively, the upper side of which is the front and the rear of the base. It is characterized by consisting of a ball bush shaft fixed to.
In addition, the driving test unit, which is provided in the center of the horizontal plate to be rotatable through each rotating means and the upper rotating plate is provided, and the upper portion of the rotating plate is provided to be moved horizontally through the horizontal moving means The test plate; A thrust bearing supporting the vertical load of the rotating plate may be further provided around the central rotating shaft to prevent the tilting of the rotating plate.
In addition, the tire mounting shaft includes a helical shaft and both side fastening fixture for tightly fixing the rim of the tire penetrated through the helical shaft from both sides; The fixing means is characterized in that it consists of a angular bar provided on both sides of the spiral shaft and the inner groove of the horizontal axis of rotation and the fastening bracket for fixing the angular bar to the angular groove into which the angular bar is inserted.
In addition, the tire fixing portion is characterized in that it further comprises a lifting unit for lifting up and down both brackets so as to be compatible with the mounting of the tire having a different diameter.
In addition, the elevating portion is provided in the front and rear of the two vertical brackets in the front and rear, and the two rotating screw shaft for lifting both brackets as the two brackets are rotated in the same direction through the drive means, and the two vertical bars and It is provided between the two brackets, characterized in that it comprises a guide rail for guiding the lifting of both brackets.
In addition, the divided rotation part is provided on the outer side of the horizontal rotating shaft is characterized in that it is composed of a ratchet gear portion for rotating the horizontal rotation shaft only in one direction, and a link operation portion for dividing and rotating the ratchet gear portion in one direction.

delete

delete

delete

delete

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 shows a tire universal testing apparatus of the present invention, Figure 1a is a cross-sectional configuration diagram, Figure 1b is an enlarged cross-sectional view taken along the line A-A of Figure 1a.

The tire universal testing apparatus of the present invention includes a frame 1 including a base 11 and vertical support means 12 protruding from the base 11, and an upper portion of the vertical support means 12. A tire fixing part (2) rotatably provided in a horizontal direction to fix the tire therethrough, and a tire testing part (3) provided at the center of the base (11) to test various tires through the test plate (35). And control means (not shown) for controlling the tire fixing part 2 and the tire test part 3 and analyzing and outputting the data measured during the test process.

In addition, the tire test unit 3 tests the vertical displacement and the load of the tire by raising and lowering the test plate 35, raising or rotating the test plate 35, and then moving the side surface of the tire through the movement. Alternatively, the longitudinal displacement and the load may be tested, and the test plate 35 may be lifted and rotated while the tire fixing part 2 is divided and rotated to test the rotational displacement angle and torque of the tire.

This will be described in more detail as follows.

Figure 2 is an enlarged view of the tire test unit according to the present invention, Figure 2a is an enlarged configuration diagram, Figure 2b is a cross-sectional view taken along the line B-B of Figure 2a, Figure 2c is a schematic enlarged cross-sectional view of the line C-C of Figure 2a. As shown in FIGS. 1 and 2, the tire test unit 3 is connected to a vertical cylinder 31 provided at the center of the base by a rod of the vertical cylinder 31, It consists of a horizontal plate 32 which is elevated through the vertical guide portion 33, and a drive test unit 34 to be mounted on the upper portion of the horizontal plate 32 to move or rotate the test plate 35.

In addition, the vertical cylinder 31 is a means for elevating the test plate 35 and includes a load cell for measuring a load applied to a rod at a lower portion thereof.

In addition, the vertical guide portion 33 is provided on both the front and rear sides of the base 11, a plurality of ball bush 331 is formed with a vertical through hole through which the ball is moved, and the plurality of ball bush 331 The ball guide shaft 332 is formed by a ball bush shaft 332 which is respectively penetrated through the top and fixed to both front and rear sides of the horizontal plate 32, so that the vertical guide portion 33 can serve as a ball bearing. And the ball bush shaft 332 can improve the tuning accuracy during the elevating of the horizontal plate 32 to prevent the inclination during the elevating of the horizontal plate 32.

On the other hand, the vertical guide portion 33 is not shown in the drawing, a plurality of guide tubes provided on both sides of the front and rear of the base 11, and through the plurality of guide tubes, respectively, the upper portion of the horizontal plate ( 32) may be composed of a guide shaft fixed to both the front and rear sides. Therefore, the horizontal plate 32 can be precisely lifted and lowered by the guide means 33 composed of the guide tube and the guide shaft, thereby preventing the inclination of the horizontal plate 32 when lifting.

In addition, the driving test unit 34 includes a central rotation shaft 341 which is rotatably provided in the center of the horizontal plate 32 through the respective rotating means 343 and the rotating plate 342 is provided on the upper portion thereof. And a test plate 35 provided on an upper portion of the rotating plate 342 to move horizontally through a horizontal moving means 344; The thrust bearing 36 supporting the vertical load of the rotating plate 342 is further provided around the central rotating shaft 341 so as to prevent the inclination of the rotating plate 342.

Each of the rotating means 343 is a means for rotating the center rotation shaft 341 by 90 degrees. The rotating horizontal cylinder 343b which rotates the link 343a and the link 343a, which protrudes to one side from the center rotation shaft, is rotated 90 degrees. ), And includes a torque cell capable of measuring the rotational torque applied to the central rotation shaft 341.

In addition, the horizontal movement means 344 includes a horizontal cylinder 344a for horizontally moving the test plate 35 along the guide part 344b provided at the lower part of the rotating plate 342 and the test plate 35. And the horizontal cylinder 344a includes a load cell for measuring the load on the load. In addition, the guide portion 344b is provided in the lower portion of the test plate 35 is composed of a moving bracket 344d which is moved on the horizontal rail (344c).

3 is an enlarged view of the tire fixing part according to the present invention, and FIG. 3A is an enlarged configuration diagram, and FIG. 3B is an enlarged view seen from the E portion in FIG. 3A, and the vertical support means 12 is the base 11. It consists of both vertical rods 121 protruding vertically on both sides of the, the tire fixing portion 2 is provided on the two vertical poles 121, each bracket 21 having a horizontal rotating shaft 22 is provided And a tire mounting shaft 24 having both sides fixed to the horizontal rotating shafts 22 through fixing means 25 and having tires penetrated therethrough, and provided at an outer side of one of the brackets 21. And a divided rotation part 26 for dividing and rotating the 22.

In addition, the tire mounting shaft 24 includes both side fastening fasteners 242 for tightly fixing the rim of the tire to be penetrated through the spiral shaft 241 and the spiral shaft 241 on both sides. And the fixing means 25 is provided on both sides of the angular bar 251 and the horizontal rotating shaft 22 provided on both sides of the spiral shaft 241, the angular groove 252 and the angular rod 251 is inserted It is composed of a fastening bracket 253 for fixing the rod 251 to the angular groove 252.

In addition, the split rotation part 26 is provided on the outside of the horizontal rotation shaft 22 to rotate the ratchet gear portion 261 and the ratchet gear portion 261 in one direction to rotate the horizontal rotation shaft 22 only in one direction. It is composed of a link operation unit 262. And the link operation portion is composed of a protruding link 262a protruding around the ratchet gear portion 261 and a cylinder 262b for rotating the angle of the protruding link.

On the other hand, Figure 4 is a cross-sectional view of the FF line of Figure 1a showing the lifting portion constituting the tire fixing portion according to the present invention, as shown in Figures 1 and 4, the tire fixing portion 2 is different in diameter It further includes an elevating portion 23 for elevating the both brackets 21 so as to be compatible with the tire.

In addition, the lifting unit 23 is provided to pass through the front and rear of the both brackets 21 in front and rear of the vertical stand 121, so that both brackets 21 as they are rotated in the same direction through the driving means. Two rotary screw shafts 231 including sprockets connected to the driving means to move up and down, and two sprockets 231a for rotating the rotary screw shafts 231 in the same direction; The guide rail 232 is provided between the 121 and both brackets 21 to guide the lifting and lowering of both brackets 21.

The guide rail 232 is composed of an LM guide to improve the lifting accuracy of the bracket (21).

Hereinafter, the operational relationship of the present invention configured as described above are as follows.

Figure 5 shows each test process through the tire universal testing apparatus according to the present invention, Figure 5a is a state of testing the up and down displacement and load, Figure 5b is a state of testing the lateral displacement and load, 5c shows a state in which the longitudinal displacement and the load are tested, and FIG. 5d shows a state in which the displacement angle and torque in the rotational direction are tested.

The tire universal testing apparatus of the present invention is configured to test the vertical displacement and load of the tire, the lateral displacement and load of the tire, the longitudinal displacement and the load, the rotational displacement angle and the torque, and the respective displacements. The following describes the process of performing the load test.

First, when the tire is mounted through the test apparatus of the present invention, as shown in FIGS. 1 to 3, the fastening fixture 242 in the center of the tire mounting shaft 24 constituting the tire fixing part 2. Secure the tire vertically via

Then, the tire mounting shaft 24 is placed between the horizontal rotating shafts 22 of both brackets 21 provided on both uprights 121 using a crane or the like, and then mutual defects of the fixing means 25 are removed. The tire mounting shaft 24 is mounted therethrough. That is, the tire mounting shaft 24 is inserted by inserting both rods 251 of the spiral shaft 241 constituting the tire mounting shaft 24 into the grooves 252 of the horizontal rotating shaft 25 and then tightening the fastening bracket 253. ) Can be fixed to the horizontal rotation shaft 22 of both brackets (21).

Then, by mounting the lifting position of the bracket 21 by rotating the rotary screw shaft 231 of the lifting unit 23 constituting the tire fixing part 2, the tire mounting is completed to prepare for the test.

Next, when testing the displacement and load of the tire in the state in which the tire is mounted as described above, as shown in Figs. 1 to 3 and 5a, the vertical cylinder constituting the tire test unit 3 ( 31) is to test the up and down displacement and load of the tire through the process that the test plate 35 positioned at the top to be in close contact with the circumferential surface of the tire.

That is, as the vertical cylinder 31 is provided with a load cell connected to the control means, the load against the vertical displacement of the vertical cylinder 31 can be tested.

In the case of testing the vertical displacement of the tire while the tire is mounted as described above, as shown in FIGS. 1 to 3 and 5B, the vertical cylinder 31 constituting the tire test unit 3 is mounted. The test plate 35 positioned at the top of the tire is brought into close contact with the circumferential surface of the tire, and then the horizontal movement means 344 including the horizontal cylinder 344a formed at the bottom of the test plate 35 is operated to operate the side surface of the tire. To test displacement and load.

That is, the horizontal displacement means 344 can be operated to precisely test the lateral displacement and the load around the tire through the process of moving the test plate 35 to one side. The horizontal movement means 344 is connected to the control means. As the load cell is provided, the load against the horizontal displacement of the horizontal moving means 344 can be measured.

In addition, when testing the longitudinal displacement and load of the tire in the state in which the tire is mounted as described above, as shown in Figs. 1 to 3 and 5C, first, the rotating plate constituting the drive test section 34 ( A rod of the horizontal cylinder 344a constituting the horizontal moving means 344 by operating each rotating means 343 connected to the 342 to rotate the rotating plate 342 by 90 degrees about the central rotating shaft 341. The direction of movement of the coincides with the direction of rotation of the tire.

Then, the vertical cylinder 31 constituting the tire test part 3 is raised so that the test plate 35 positioned at the top thereof is in close contact with the circumferential surface of the tire in the longitudinal direction, and then formed at the bottom of the test plate 35. The horizontal displacement means 344 including the horizontal cylinder 344a is operated to move the test plate 35 forward and backward to measure the longitudinal displacement and the load of the tire.

That is, the longitudinal displacement and load around the tire can be precisely tested by operating the horizontal moving means 344 to move the test plate 35 forward and backward. As the load cell connected to the means is provided, the load on the horizontal displacement of the horizontal movement means 344 can be measured.

In the case of testing the displacement angle and torque of the tire in the state where the tire is mounted as described above, as shown in FIGS. 1 to 3 and 5D, the vertical cylinder 31 of the tire test unit is raised to raise the first. The test plate 35 positioned at the top is brought into close contact with the circumferential surface of the tire, and then the rotation plate 342 supporting the test plate 35 is rotated to test the rotational displacement angle and torque of the tire.

That is, when the rotating plate 342 is rotated, the test is performed by rotating the rotating plate 342 by operating each rotating means 343 including the rotating horizontal cylinder 343b and the link 343a. 343 is provided with a torque cell connected to the control means, it is possible to accurately measure the torque for the rotational displacement of each rotation means (343).

On the other hand, in testing the rotational displacement angle and torque of the tire as described above, by rotating the tire mounting shaft 24 by the operation of the divided rotation unit 26, the displacement angle in the rotational direction around the tire every 120 degrees and The torque can be tested. That is, the divided rotation part 26 is composed of a ratchet gear part 261 and a link actuating part 262 dividing the ratchet gear part 261 by 120 degrees so that the tire mounting shaft is operated through the operation of the link actuating part 262. You can divide (24) by 120 degrees.

Therefore, through the above process, it is possible to test the displacement and load of the tire in the vertical direction, the lateral direction, the longitudinal direction, the displacement angle and the torque in the rotation direction through one device, so that the test time and cost Can be minimized.

As described above, the present invention enables the test time by comprehensively testing the up and down direction, the lateral direction, the longitudinal displacement of the tire, and the displacement angle and torque with respect to the load and rotation direction without leaving the tire through one device. And the minimum manpower can be reduced to simplify the test.

In addition, when the test is to be in close contact with the circumference of the tire through the rise to test the displacement and load of the tire in advance, there is also an effect of improving the test accuracy of the vertical displacement and load by preventing the inclination of the test plate in advance.

In addition, when testing side, longitudinal displacement and load and rotational displacement angle and torque through the movement and rotation of the test plate, the test precision of side, longitudinal displacement, load and rotational displacement angle and torque is prevented by preventing the inclination of the test plate in advance. There is also an effect to improve.

In addition, it is possible to test various types of tires having different widths and diameters in a compatible manner, so that all commercially available tires can be tested.

In addition, it is possible to further improve the efficiency of the rotational displacement angle and torque test by facilitating the circumference of the tire when the tires are tested up, down, side, length and rotation direction.

Claims (10)

A frame (1) comprising a base (11) and a vertical support portion (12) consisting of both uprights (121) provided to protrude upwards on both sides of the base (11); It is provided between the upper portions of the two vertical poles 121, both brackets 21 provided on the two vertical poles 121 and provided with a horizontal rotating shaft 22, and both sides of the two horizontal rotating shaft 22 A tire mounting shaft 24 fixed through the fixing means 25 and provided through the tire, and a split rotation part 26 provided on the outside of one of the two brackets 21 to separately rotate the horizontal rotating shaft 22. A tire fixing part 2 including; A vertical cylinder 31 provided at the center of the base, a horizontal plate 32 connected to a rod of the vertical cylinder 31 to be elevated through a plurality of vertical guide portions 33, and the horizontal plate 32 A tire test part (3) mounted on the upper part of the tire and including a driving test part (34) for moving or rotating the test plate (35); And Control means for controlling the tire fixing part 2 and analyzing and outputting data measured in a test process; Tire universal testing apparatus comprising a. The method of claim 1, wherein the vertical guide portion 33, A plurality of guide tubes provided at both front and rear sides of the base 11, Tire universal testing apparatus, characterized in that composed of guide shafts which are respectively penetrated through the plurality of guide tubes, the upper portion is fixed to both the front and rear sides of the base (11). The method of claim 1, wherein the vertical guide portion 33, A plurality of ball bushes 331 provided on both sides of the base 11 and having a vertical through hole through which balls are moved; Tire universal testing apparatus, characterized in that consisting of a ball bush shaft (332) which is penetrated through the plurality of ball bush (331), respectively, the upper portion is fixed to both the front and rear sides of the base (11). The center rotation shaft of claim 1, wherein the driving test unit 34 is rotatably provided at the center of the horizontal plate 32 through each rotating means 343, and a rotating plate 342 is provided at an upper portion thereof. (341) and the test plate (35) which is provided on top of the rotating plate (342) is moved horizontally through the horizontal moving means (344); Tire universal testing apparatus, characterized in that the circumference of the central rotating shaft (341) is further provided with a thrust bearing (36) for supporting the vertical load of the rotating plate (342) to prevent the inclination of the rotating plate (342). 2. The tire mounting shaft (24) according to claim 1, wherein the tire mounting shaft (24) includes both fastening fasteners (242) for tightly fixing the rim of the tires penetrated through the spiral shaft (241) and the spiral shaft (241) from both sides; The fixing means 25 is provided on both sides of the angular bar 251 provided on both sides of the spiral shaft 241 and the horizontal rotating shaft 22, the angular groove 252 and the angular bar into which the angular bar 251 is inserted. Tire universal testing device, characterized in that consisting of a fastening bracket 253 for fixing the groove 252. 6. The tire fixing part (2) according to claim 1 or 5, characterized in that the tire fixing part (2) further includes a lifting part (23) for elevating the both brackets (21) so as to interchangeably mount tires of different diameters. Tire universal testing apparatus. The method of claim 6, wherein the lifting unit 23, Two rotary screw shafts 231 provided in the front and rear of the both vertical stand 121 to penetrate the front and rear of the both brackets 21 to elevate both brackets 21 as they are rotated in the same direction through the driving means. And a guide rail 232 provided between the vertical bars 121 and both brackets 21 to guide the lifting and lowering of both brackets 21. The method of claim 1, wherein the divided rotating part 26, It is composed of a ratchet gear portion 261 provided on the outer side of the horizontal rotating shaft 22 to rotate the horizontal rotating shaft 22 only in one direction, and a link operation portion 262 for dividing and rotating the ratchet gear portion 261 in one direction. Tire universal testing device characterized in that. delete delete

Images